Ear and Skin Flashcards

Terms	Definitions
pinna	Identify the colored part of the ear.
auditory canal	Identify the colored part of the ear.
eardrum	Identify the colored part of the ear.
hammer	Identify the colored part of the ear.
anvil	Identify the colored part of the ear.
stirrup	Identify the colored part of the ear.
oval window	Identify the colored part of the ear.
cochlea	Identify the colored part of the ear.
auditory nerve	Identify the colored part of the ear.
semicircular canals	Identify the colored part of the ear.
eustachian tube	Identify the colored part of the ear.
epidermis	Identify the colored part of the skin.
dermis	Identify the colored part of the skin.
oil gland	Identify the colored part of the skin.
hair	Identify the colored part of the skin.
sweat gland	Identify the colored part of the skin.
sensory neurons or nerves	Identify the colored part of the skin.
capillaries	Identify the colored part of the skin.
the brain or cerebrum	What part of the body does the actual "hearing"?
collects sound waves and focuses them to the eardrum	What is the function of the pinna?
for protection	Why is the auditory canal coated with wax?
the hammer bone	When the eardrum vibrates, what does it move?
they magnify soft sounds and soften loud sounds.	How do the hammer, anvil and stirrup bones affect sounds?
the eustachian tube	Name the air-filled tube that connects the middle to the pharynx.
The eustachian tube opens and equalizes the air pressure on both sides of the eardrum. The eardrum snaps straight and makes the "popping" sound	What causes your ears to "pop" at high altitudes?
a fluid	What is inside the cochlea?
auditory nerve	Name the nerve that connects the cochlea to the brain.
The semi-circular canals provide your equilibrium, tells the body's position and helps keep your balance.	What is the function of the semicircular canals?
epidermis and dermis	Name the two layers of the skin.
dermis	Which layer of the skin is alive?
grains of either brown, yellow or black melanin in the epidermis	What gives skin its color?
true	True/False A sweat gland's pore on the surface of the skin is always open.
to prevent the skin and hair from drying up and cracking.	Why does the skin produce oil?
provides insulation to regulate body temperature, protects body openings and extends the sense of the touch beyond the surface of the skin.	Name 3 functions of the hair?
you sweat and increase the flow of blood to the surface of the skin to release more heat.	What 2 things happen to the skin when you are hot and need to lower your body temperature?
hot, cold, pressure and pain	Name the 4 types of neurons that combine to makeup your sense of touch.